Bone Fractures A break in a bone Types of bone fractures Closed (simple) fracture – break that does not penetrate the skin Open (compound) fracture – broken bone penetrates through the skin Bone fractures are treated by reduction and immobilization Realignment of the bone
Comminuted Fracture
Compression Fracture
Depressed Fracture
Impacted Frature
Spiral Fracture
Greenstick Fracture
Repair of Bone Fractures Hematoma (blood-filled swelling) is formed Break is splinted by fibrocartilage to form a callus Fibrocartilage callus is replaced by a bony callus Bony callus is remodeled to form a permanent patch
Stages in the Healing of a Bone Fracture Figure 5.5 Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings